ES2065543T3 - Sistema de comunicaciones de accesos multiples por reparto de codigos con portadora activada por la voz del usuario y sincronizacion por codigo. - Google Patents
Sistema de comunicaciones de accesos multiples por reparto de codigos con portadora activada por la voz del usuario y sincronizacion por codigo.Info
- Publication number
- ES2065543T3 ES2065543T3 ES90912671T ES90912671T ES2065543T3 ES 2065543 T3 ES2065543 T3 ES 2065543T3 ES 90912671 T ES90912671 T ES 90912671T ES 90912671 T ES90912671 T ES 90912671T ES 2065543 T3 ES2065543 T3 ES 2065543T3
- Authority
- ES
- Spain
- Prior art keywords
- code
- user
- voice
- multiple access
- communications system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/69—Spread spectrum techniques
- H04B1/707—Spread spectrum techniques using direct sequence modulation
- H04B1/7073—Synchronisation aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/204—Multiple access
- H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8910481A FR2650715B1 (fr) | 1989-08-03 | 1989-08-03 | Systeme de communications a acces multiple par repartition a codes avec porteuse activee par la voix de l'usager et synchronisation par code |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2065543T3 true ES2065543T3 (es) | 1995-02-16 |
Family
ID=9384444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90912671T Expired - Lifetime ES2065543T3 (es) | 1989-08-03 | 1990-07-31 | Sistema de comunicaciones de accesos multiples por reparto de codigos con portadora activada por la voz del usuario y sincronizacion por codigo. |
Country Status (11)
Country | Link |
---|---|
US (1) | US5327467A (fr) |
EP (1) | EP0436714B1 (fr) |
JP (1) | JPH0656974B2 (fr) |
CA (1) | CA2037918C (fr) |
DE (1) | DE69013317T2 (fr) |
DK (1) | DK0436714T3 (fr) |
ES (1) | ES2065543T3 (fr) |
FI (1) | FI103080B (fr) |
FR (1) | FR2650715B1 (fr) |
NO (1) | NO177657C (fr) |
WO (1) | WO1991002415A1 (fr) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69428492T2 (de) * | 1993-06-04 | 2002-05-23 | Motorola Inc | Verfahren und vorrichtung zum dynamischen einstellen einer maximalen zahl von teilnehmern auf einem physikalischen kanal |
US5575810A (en) * | 1993-10-15 | 1996-11-19 | Ep Technologies, Inc. | Composite structures and methods for ablating tissue to form complex lesion patterns in the treatment of cardiac conditions and the like |
US5490165A (en) * | 1993-10-28 | 1996-02-06 | Qualcomm Incorporated | Demodulation element assignment in a system capable of receiving multiple signals |
JP3003839B2 (ja) * | 1993-11-08 | 2000-01-31 | エヌ・ティ・ティ移動通信網株式会社 | Cdma通信方法および装置 |
FR2721466B1 (fr) * | 1994-06-21 | 1996-07-26 | Alcatel Mobile Comm France | Signal de contrôle pour récepteurs, dispositif de synchronisation, dispositif d'égalisation, procédé de synchronisation et récepteurs correspondants. |
US6831905B1 (en) | 1995-06-30 | 2004-12-14 | Interdigital Technology Corporation | Spread spectrum system assigning information signals to message-code signals |
ZA965340B (en) | 1995-06-30 | 1997-01-27 | Interdigital Tech Corp | Code division multiple access (cdma) communication system |
US6940840B2 (en) | 1995-06-30 | 2005-09-06 | Interdigital Technology Corporation | Apparatus for adaptive reverse power control for spread-spectrum communications |
US6049535A (en) * | 1996-06-27 | 2000-04-11 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US7072380B2 (en) | 1995-06-30 | 2006-07-04 | Interdigital Technology Corporation | Apparatus for initial power control for spread-spectrum communications |
US7020111B2 (en) | 1996-06-27 | 2006-03-28 | Interdigital Technology Corporation | System for using rapid acquisition spreading codes for spread-spectrum communications |
US6816473B2 (en) | 1995-06-30 | 2004-11-09 | Interdigital Technology Corporation | Method for adaptive forward power control for spread-spectrum communications |
US6697350B2 (en) | 1995-06-30 | 2004-02-24 | Interdigital Technology Corporation | Adaptive vector correlator for spread-spectrum communications |
US7123600B2 (en) | 1995-06-30 | 2006-10-17 | Interdigital Technology Corporation | Initial power control for spread-spectrum communications |
US6885652B1 (en) | 1995-06-30 | 2005-04-26 | Interdigital Technology Corporation | Code division multiple access (CDMA) communication system |
US7929498B2 (en) | 1995-06-30 | 2011-04-19 | Interdigital Technology Corporation | Adaptive forward power control and adaptive reverse power control for spread-spectrum communications |
US6788662B2 (en) | 1995-06-30 | 2004-09-07 | Interdigital Technology Corporation | Method for adaptive reverse power control for spread-spectrum communications |
US5798709A (en) * | 1996-01-03 | 1998-08-25 | Texas Instruments Incorporated | Wireless transmitter carrier phase synchronization |
US6122264A (en) * | 1997-09-29 | 2000-09-19 | Lucent Technologies, Inc. | Method for managing the transmission of competing information packets |
US6091703A (en) * | 1997-10-10 | 2000-07-18 | Trw Inc. | Bulk despreading of multiple independent CDMA sources |
US20020051434A1 (en) * | 1997-10-23 | 2002-05-02 | Ozluturk Fatih M. | Method for using rapid acquisition spreading codes for spread-spectrum communications |
US6324159B1 (en) * | 1998-05-06 | 2001-11-27 | Sirius Communications N.V. | Method and apparatus for code division multiple access communication with increased capacity through self-noise reduction |
EP1175734A1 (fr) * | 1999-05-10 | 2002-01-30 | Sirius Communications N.V. | Procede et appareil de communication par acces multiple a repartition de code grande vitesse reconfigurable par logiciel |
US7327779B1 (en) | 1999-07-23 | 2008-02-05 | Agilent Technologies, Inc. | Method and apparatus for high-speed software reconfigurable code division multiple access communication |
US8175068B2 (en) * | 2008-03-26 | 2012-05-08 | Advanced Receiver Technologies, Llc | Active spread code detection |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2259359B2 (de) * | 1972-12-04 | 1976-10-21 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltungsanordnung fuer eine fernmeldeanlage mit teilnehmerstellen und relaisstationen |
US4494228A (en) * | 1982-08-12 | 1985-01-15 | The United States Of America As Represented By The Secretary Of The Army | Orthogonal code division multiple access communications systems |
US4559633A (en) * | 1982-10-22 | 1985-12-17 | Hitachi, Ltd. | Spread spectrum system |
DE3511430A1 (de) * | 1985-03-29 | 1986-10-02 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Verfahren zur synchronisierung der empfangseinrichtungen in einem digitalen multiplex-uebertragungssystem |
US4882579A (en) * | 1988-01-07 | 1989-11-21 | Motorola, Inc. | Code division multiplexed acknowledge back paging system |
-
1989
- 1989-08-03 FR FR8910481A patent/FR2650715B1/fr not_active Expired - Lifetime
-
1990
- 1990-07-31 CA CA002037918A patent/CA2037918C/fr not_active Expired - Lifetime
- 1990-07-31 DK DK90912671.6T patent/DK0436714T3/da active
- 1990-07-31 WO PCT/EP1990/001276 patent/WO1991002415A1/fr active IP Right Grant
- 1990-07-31 DE DE69013317T patent/DE69013317T2/de not_active Expired - Lifetime
- 1990-07-31 ES ES90912671T patent/ES2065543T3/es not_active Expired - Lifetime
- 1990-07-31 US US07/663,835 patent/US5327467A/en not_active Expired - Lifetime
- 1990-07-31 EP EP90912671A patent/EP0436714B1/fr not_active Expired - Lifetime
- 1990-07-31 JP JP2511722A patent/JPH0656974B2/ja not_active Expired - Fee Related
-
1991
- 1991-04-02 NO NO911286A patent/NO177657C/no not_active IP Right Cessation
- 1991-04-03 FI FI911605A patent/FI103080B/fi active
Also Published As
Publication number | Publication date |
---|---|
DE69013317T2 (de) | 1995-06-08 |
FR2650715A1 (fr) | 1991-02-08 |
NO911286D0 (no) | 1991-04-02 |
DE69013317D1 (de) | 1994-11-17 |
FI911605A0 (fi) | 1991-04-03 |
DK0436714T3 (da) | 1995-04-18 |
NO177657B (no) | 1995-07-17 |
NO911286L (no) | 1991-04-02 |
EP0436714B1 (fr) | 1994-10-12 |
JPH04504344A (ja) | 1992-07-30 |
EP0436714A1 (fr) | 1991-07-17 |
CA2037918C (fr) | 1999-01-26 |
NO177657C (no) | 1995-10-25 |
JPH0656974B2 (ja) | 1994-07-27 |
FI103080B1 (fi) | 1999-04-15 |
CA2037918A1 (fr) | 1991-02-04 |
FI103080B (fi) | 1999-04-15 |
US5327467A (en) | 1994-07-05 |
FR2650715B1 (fr) | 1991-11-08 |
WO1991002415A1 (fr) | 1991-02-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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